/* ========================================
   ANIMATIONS.CSS - Keyframes, Transitions, Hover Effects
   ======================================== */

/* ========================================
   KEYFRAMES
   ======================================== */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Pulse */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Rotate */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   ANIMATION CLASSES
   ======================================== */

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.8s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 0.8s ease-out;
}

.animate-scaleIn {
    animation: scaleIn 0.6s ease-out;
}

/* Delayed Animations */
.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

.animate-delay-5 {
    animation-delay: 0.5s;
}

/* ========================================
   SCROLL ANIMATIONS (Intersection Observer)
   ======================================== */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   HOVER EFFECTS
   ======================================== */

/* Lift Effect */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Scale Effect */
.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Brightness Effect */
.hover-brightness {
    transition: filter var(--transition-normal);
}

.hover-brightness:hover {
    filter: brightness(1.1);
}

/* Image Zoom Effect */
.image-zoom {
    overflow: hidden;
}

.image-zoom img {
    transition: transform var(--transition-slow);
}

.image-zoom:hover img {
    transform: scale(1.1);
}

/* ========================================
   LOADING ANIMATIONS
   ======================================== */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(8, 118, 105, 0.1);
    border-top-color: var(--primary-teal);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

/* ========================================
   TRANSITION UTILITIES
   ======================================== */

.transition-all {
    transition: all var(--transition-normal);
}

.transition-fast {
    transition: all var(--transition-fast);
}

.transition-slow {
    transition: all var(--transition-slow);
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s ease-out;
}

/* ========================================
   MOBILE MENU ANIMATIONS
   ======================================== */

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* ========================================
   COUNTER ANIMATION
   ======================================== */

.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* ========================================
   SMOOTH SCROLL
   ======================================== */

html.smooth-scroll {
    scroll-behavior: smooth;
}

/* ========================================
   PARALLAX EFFECTS
   ======================================== */

.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* ========================================
   RIPPLE EFFECT
   ======================================== */

.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ========================================
   SKELETON LOADING
   ======================================== */

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--light-gray) 0%,
        var(--white) 50%,
        var(--light-gray) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ========================================
   STAGGER ANIMATIONS
   ======================================== */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item.animate {
    animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }
.stagger-item:nth-child(7) { animation-delay: 0.7s; }
.stagger-item:nth-child(8) { animation-delay: 0.8s; }

/* ========================================
   TEXT ANIMATIONS
   ======================================== */

.text-highlight {
    position: relative;
    display: inline-block;
}

.text-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-teal);
    transition: width var(--transition-normal);
}

.text-highlight:hover::after {
    width: 100%;
}

/* ========================================
   GLOW EFFECT
   ======================================== */

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-teal), 0 0 10px var(--primary-teal);
    }
    50% {
        box-shadow: 0 0 10px var(--primary-teal), 0 0 20px var(--primary-teal);
    }
}

.glow {
    animation: glow 2s ease-in-out infinite;
}

/* ========================================
   HERO BACKGROUND ANIMATION
   ======================================== */

.hero__background {
    animation: subtle-zoom 20s ease-in-out infinite alternate;
}

@keyframes subtle-zoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}